﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApp1
{
    using System.Windows.Threading;
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        DispatcherTimer timer = new DispatcherTimer();
        int tenthsOfSecondsElapsed;
        int matchesFound;
        public MainWindow()
        {
            InitializeComponent();
            timer.Interval = TimeSpan.FromSeconds(.1);
            timer.Tick += Timer_Tick;
            SetupGame();
            
            matchesFound = 0;
        }

        private void Timer_Tick(object? sender, EventArgs e)
        {
            tenthsOfSecondsElapsed++;
            timeTextBlock.Text = (tenthsOfSecondsElapsed/10F).ToString("0.0s");
            if(matchesFound == 8) {
                timer.Stop();
                //SetupGame();
            }

        }

        private void SetupGame()
        {
            List<string> animalEmoji = new List<string>()
            {
                "😺","😺",
                "🐷","🐷",
                "🐹","🐹",
                "🐴","🐴",
                "🐌","🐌",
                "🐼","🐼",
                "🐸","🐸",
                "👽","👽",
            };
            Random rnd = new Random();
            foreach(TextBlock textBlock in mainGrid.Children.OfType<TextBlock>())
            {if(textBlock.Name != "timeTextBlock")
                {
                    timer.Start();
                    textBlock.Visibility = Visibility.Visible;
                    int index = rnd.Next(animalEmoji.Count);
                    string nextEmoji = animalEmoji[index];
                    textBlock.Text = nextEmoji;
                    animalEmoji.RemoveAt(index);
                    tenthsOfSecondsElapsed = 0;
                    matchesFound = 0;
                }
                
            }
        }
        TextBlock lastTextBlockClicked;
        bool findingMatch = false;
        private void TextBlock_MouseDown(object sender, MouseButtonEventArgs e)
        {
            TextBlock textBlock = sender as TextBlock;
            if(findingMatch == false)
            {
                textBlock.Visibility = Visibility.Hidden;
                lastTextBlockClicked = textBlock;
                findingMatch = true;
            }
            else if(textBlock.Text == lastTextBlockClicked.Text)
            {
                matchesFound++;
                textBlock.Visibility = Visibility.Hidden;
                findingMatch= false;
                
            }
            else
            {
                lastTextBlockClicked.Visibility = Visibility.Visible;
                findingMatch = false;
            }
        }

        private void TimeTextBlock_MouseDown(object sender, MouseButtonEventArgs e)
        {
            if(matchesFound == 8)
            {
                SetupGame();
            }
        }
    }
}
